William Duffy

William Duffy is an actor.

Known for

It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia (2005)

8.31

Hedge Fund Guy

Sniper 3

Sniper 3 (2004)

5.42

Richard Addis

Waist Deep

Waist Deep (2006)

6.5

Newscaster #2

Karla

Karla (2006)

5.41

Detective Porter

A West Wing Special to Benefit When We All Vote

A West Wing Special to Benefit When We All Vote (2020)

8.25

Larry

As an actor

A West Wing Special to Benefit When We All Vote

A West Wing Special to Benefit When We All Vote (2020)

Larry

Waist Deep

Waist Deep (2006)

Newscaster #2

Karla

Karla (2006)

Detective Porter

It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia (2005)

Hedge Fund Guy

Sniper 3

Sniper 3 (2004)

Richard Addis

View all movies (5)